Best Procedure for Firming Neck and Chin?

It appears from your question that you don't have a lot of sagging of the neck structures (hanging skin, muscle bands, or fat).  If that is true, then the aging changes that you are seeing are most likely the result of diminished elasticity of the skin, which can cause the skin to crepe and wrinkle, giving the skin a 'chicken'  type of appearance. Loss of bone and fat along the jawline and in the chin itself can also contribute to a tired looking neck. 

When there is significant sagging of the neck structures, surgery is almost always the preferred procedure. But in your case it appears that you might benefit from a combination of less invasive procedures. I begin by assessing the need for filler in the chin and along the jawline. Then I look for ways to improve the tone and quality of the skin. I have had good success tightening and improving the skin of the neck and jawline by using a combination of needle-based radiofrequency and fractional ablative laser resurfacing. We do these procedures simultaneously to restore elastin, collagen and hyaluronic acid in the skin while we also improve the surface texture and visible signs of sun-damage. The procedure can be done safely and the results are very satisfying. 

There can be various ageing issues in the neck ranging from fat excess, loose muscle bands (platysmal bands) or simply loose skin. Therefore, any corrective procedure needs to be tailored to the specific problem.

Skin excess or laxity can be treated with a neck lift. This may be combined with a platysmaplasty if there are loose visible vertical muscle bands. Fat excess can be treated with liposuction in combination with these procedures if needed. In some situations, if the skin is in good tone liposuction can be carried out alone and in this instance VASER liposuction is a great option.

If the issue is simply minor thinning of the skin fractional carbon dioxide laser is a possibility but the effectiveness of this procedure can only be guided by the degree of laxity of tissues.  

Given the multitude of options it is important to seek a consultation from an experienced Plastic Surgeon who can provide an honest and realistic opinion of the procedures or combination of procedures best required in each individual case. No single technique suits every individual case and so beware of surgeons marketing their own branded technique of facelift which promise amazing results with no downtime. This is simply a marketing ploy to gain business. An honest, professional opinion without any hype from a surgeon who is experienced in a multitude of techniques will provide you with the best opinion. 

It’s wonderful that your facial skin is in great condition! For addressing laxity and firmness in the neck and chin area, there are several non-surgical options to consider. Treatments like Facetite use ultrasound technology to stimulate collagen production, tightening the skin over time. Neuromodulators can help reduce horizontal neck lines, while dermal fillers or biostimulators like Sculptra® can restore volume and support the skin's structure. For those with excess fat under the chin, treatments like Belkyra® (Kybella®) can effectively contour the area. A consultation with an experienced provider will help determine the best approach tailored to your goals.